/**
 * Copyright (c) 2010 Simple Graph Tools contributors. All rights reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * $Id$
 */
package org.sgt.coredef.provider;

import java.util.ArrayList;
import java.util.Collection;

import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.Notifier;

import org.eclipse.emf.edit.provider.ChangeNotifier;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.provider.IChangeNotifier;
import org.eclipse.emf.edit.provider.IDisposable;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.INotifyChangedListener;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;

import org.sgt.coredef.util.CoredefAdapterFactory;

/**
 * This is the factory that is used to provide the interfaces needed to support Viewers.
 * The adapters generated by this factory convert EMF adapter notifications into calls to {@link #fireNotifyChanged fireNotifyChanged}.
 * The adapters also support Eclipse property sheets.
 * Note that most of the adapters are shared among multiple instances.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class CoredefItemProviderAdapterFactory extends CoredefAdapterFactory implements ComposeableAdapterFactory, IChangeNotifier, IDisposable {
	/**
	 * This keeps track of the root adapter factory that delegates to this adapter factory.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ComposedAdapterFactory parentAdapterFactory;

	/**
	 * This is used to implement {@link org.eclipse.emf.edit.provider.IChangeNotifier}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected IChangeNotifier changeNotifier = new ChangeNotifier();

	/**
	 * This keeps track of all the supported types checked by {@link #isFactoryForType isFactoryForType}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected Collection<Object> supportedTypes = new ArrayList<Object>();

	/**
	 * This constructs an instance.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public CoredefItemProviderAdapterFactory() {
		supportedTypes.add(IEditingDomainItemProvider.class);
		supportedTypes.add(IStructuredItemContentProvider.class);
		supportedTypes.add(ITreeItemContentProvider.class);
		supportedTypes.add(IItemLabelProvider.class);
		supportedTypes.add(IItemPropertySource.class);
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.sgt.coredef.TextualDescription} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected TextualDescriptionItemProvider textualDescriptionItemProvider;

	/**
	 * This creates an adapter for a {@link org.sgt.coredef.TextualDescription}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createTextualDescriptionAdapter() {
		if (textualDescriptionItemProvider == null) {
			textualDescriptionItemProvider = new TextualDescriptionItemProvider(this);
		}

		return textualDescriptionItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.sgt.coredef.Chain} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ChainItemProvider chainItemProvider;

	/**
	 * This creates an adapter for a {@link org.sgt.coredef.Chain}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createChainAdapter() {
		if (chainItemProvider == null) {
			chainItemProvider = new ChainItemProvider(this);
		}

		return chainItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.sgt.coredef.DecomposableNode} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected DecomposableNodeItemProvider decomposableNodeItemProvider;

	/**
	 * This creates an adapter for a {@link org.sgt.coredef.DecomposableNode}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createDecomposableNodeAdapter() {
		if (decomposableNodeItemProvider == null) {
			decomposableNodeItemProvider = new DecomposableNodeItemProvider(this);
		}

		return decomposableNodeItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.sgt.coredef.DecomposableEdge} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected DecomposableEdgeItemProvider decomposableEdgeItemProvider;

	/**
	 * This creates an adapter for a {@link org.sgt.coredef.DecomposableEdge}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createDecomposableEdgeAdapter() {
		if (decomposableEdgeItemProvider == null) {
			decomposableEdgeItemProvider = new DecomposableEdgeItemProvider(this);
		}

		return decomposableEdgeItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.sgt.coredef.Proxy} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ProxyItemProvider proxyItemProvider;

	/**
	 * This creates an adapter for a {@link org.sgt.coredef.Proxy}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createProxyAdapter() {
		if (proxyItemProvider == null) {
			proxyItemProvider = new ProxyItemProvider(this);
		}

		return proxyItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.sgt.coredef.ProxyNode} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ProxyNodeItemProvider proxyNodeItemProvider;

	/**
	 * This creates an adapter for a {@link org.sgt.coredef.ProxyNode}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createProxyNodeAdapter() {
		if (proxyNodeItemProvider == null) {
			proxyNodeItemProvider = new ProxyNodeItemProvider(this);
		}

		return proxyNodeItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.sgt.coredef.ProxyEdge} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ProxyEdgeItemProvider proxyEdgeItemProvider;

	/**
	 * This creates an adapter for a {@link org.sgt.coredef.ProxyEdge}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createProxyEdgeAdapter() {
		if (proxyEdgeItemProvider == null) {
			proxyEdgeItemProvider = new ProxyEdgeItemProvider(this);
		}

		return proxyEdgeItemProvider;
	}

	/**
	 * This returns the root adapter factory that contains this factory.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ComposeableAdapterFactory getRootAdapterFactory() {
		return parentAdapterFactory == null ? this : parentAdapterFactory.getRootAdapterFactory();
	}

	/**
	 * This sets the composed adapter factory that contains this factory.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setParentAdapterFactory(ComposedAdapterFactory parentAdapterFactory) {
		this.parentAdapterFactory = parentAdapterFactory;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean isFactoryForType(Object type) {
		return supportedTypes.contains(type) || super.isFactoryForType(type);
	}

	/**
	 * This implementation substitutes the factory itself as the key for the adapter.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter adapt(Notifier notifier, Object type) {
		return super.adapt(notifier, this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object adapt(Object object, Object type) {
		if (isFactoryForType(type)) {
			Object adapter = super.adapt(object, type);
			if (!(type instanceof Class<?>) || (((Class<?>)type).isInstance(adapter))) {
				return adapter;
			}
		}

		return null;
	}

	/**
	 * This adds a listener.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void addListener(INotifyChangedListener notifyChangedListener) {
		changeNotifier.addListener(notifyChangedListener);
	}

	/**
	 * This removes a listener.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void removeListener(INotifyChangedListener notifyChangedListener) {
		changeNotifier.removeListener(notifyChangedListener);
	}

	/**
	 * This delegates to {@link #changeNotifier} and to {@link #parentAdapterFactory}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void fireNotifyChanged(Notification notification) {
		changeNotifier.fireNotifyChanged(notification);

		if (parentAdapterFactory != null) {
			parentAdapterFactory.fireNotifyChanged(notification);
		}
	}

	/**
	 * This disposes all of the item providers created by this factory. 
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void dispose() {
		if (textualDescriptionItemProvider != null) textualDescriptionItemProvider.dispose();
		if (chainItemProvider != null) chainItemProvider.dispose();
		if (decomposableNodeItemProvider != null) decomposableNodeItemProvider.dispose();
		if (decomposableEdgeItemProvider != null) decomposableEdgeItemProvider.dispose();
		if (proxyItemProvider != null) proxyItemProvider.dispose();
		if (proxyNodeItemProvider != null) proxyNodeItemProvider.dispose();
		if (proxyEdgeItemProvider != null) proxyEdgeItemProvider.dispose();
	}

}
